4.3L EcoTec3 V6 engine

This aluminum-block V6 engine is capable of running on unleaded gasoline or up to 85% ethanol blends. It features 3 of GMC’s latest engine technologies that deliver power when needed and efficiency when less power is called for:

  • 285 hp @ 5300 rpm
  • 305 lb-ft of torque @ 3900 rpm
  • Active Fuel Management
  • Direct Injection
  • Variable Valve Timing